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Finding the Fourth Proportional to 968.04, 1,451.52 and 480.42

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Solution

The fourth proportional to 968.04, 1,451.52 and 480.42 is: 720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.04 : 1,451.52 = 480.42 : x
  2. Step 2: Convert to fraction form
    968.04/1,451.52 = 480.42/x
  3. Step 3: Cross multiply
    968.04x = 1,451.52 × 480.42
  4. Step 4: Simplify right side
    968.04x = 697,339.24
  5. Step 5: Solve for x
    x = 697,339.24/968.04
  6. Step 6: Final answer
    x = 720.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.